[ 10.631454][ T208] ip (208) used greatest stack depth: 24160 bytes left [ 10.631470][ T208] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.631472][ T208] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 208, name: ip [ 10.631474][ T208] preempt_count: 2, expected: 0 [ 10.631475][ T208] RCU nest depth: 0, expected: 0 [ 10.631475][ T208] locks held by ip/208: 5, last CPU#2: [ 10.631478][ T208] #0: ffffffffb5a167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.631489][ T208] #1: ffffffffb5b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.631494][ T208] #2: ffffffffb5b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.631498][ T208] #3: ffffffffb5a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.631502][ T208] #4: ffffffffb5a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.631506][ T208] irq event stamp: 37968 [ 10.631507][ T208] hardirqs last enabled at (37967): [] __down_trylock_console_sem+0x86/0xa0 [ 10.631510][ T208] hardirqs last disabled at (37968): [] console_emit_next_record+0x3d4/0x4c0 [ 10.631513][ T208] softirqs last enabled at (36406): [] netlink_release+0x17b/0xcf0 [ 10.631517][ T208] softirqs last disabled at (36404): [] netlink_release+0xd2/0xcf0 [ 10.631519][ T208] Preemption disabled at: [ 10.631520][ T208] [<0000000000000000>] 0x0 [ 10.631526][ T208] CPU: 2 UID: 0 PID: 208 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.631530][ T208] Tainted: [W]=WARN [ 10.631531][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.631532][ T208] Call Trace: [ 10.631534][ T208] [ 10.631535][ T208] dump_stack_lvl+0x6f/0xa0 [ 10.631542][ T208] __might_resched.cold+0x1fe/0x2c1 [ 10.631548][ T208] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.631553][ T208] ? __kmalloc_noprof+0xdb/0x760 [ 10.631557][ T208] __kmalloc_noprof+0x443/0x760 [ 10.631559][ T208] ? alloc_buf.isra.0+0x4b/0x260 [ 10.631566][ T208] ? do_raw_spin_unlock+0x59/0x250 [ 10.631569][ T208] alloc_buf.isra.0+0x4b/0x260 [ 10.631573][ T208] put_chars+0x1e1/0x2f0 [ 10.631575][ T208] ? __send_to_port+0x420/0x420 [ 10.631577][ T208] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.631580][ T208] ? validate_chain+0x38b/0xc20 [ 10.631586][ T208] hvc_console_print+0x292/0x780 [ 10.631594][ T208] ? hvc_write+0x3a0/0x3a0 [ 10.631596][ T208] ? rcu_is_watching+0x16/0xd0 [ 10.631598][ T208] ? lock_acquire+0x13c/0x160 [ 10.631603][ T208] console_emit_next_record+0x22f/0x4c0 [ 10.631607][ T208] ? devkmsg_read+0x4b0/0x4b0 [ 10.631609][ T208] ? console_flush_one_record+0x106/0x710 [ 10.631612][ T208] ? rcu_is_watching+0x16/0xd0 [ 10.631614][ T208] ? lock_acquire+0x13c/0x160 [ 10.631618][ T208] console_flush_one_record+0x46f/0x710 [ 10.631623][ T208] ? console_emit_next_record+0x4c0/0x4c0 [ 10.631625][ T208] ? __lock_acquire+0x518/0xc20 [ 10.631630][ T208] console_unlock+0xee/0x1f0 [ 10.631633][ T208] ? console_flush_one_record+0x710/0x710 [ 10.631635][ T208] ? rcu_is_watching+0x16/0xd0 [ 10.631637][ T208] ? lock_acquire+0xe0/0x160 [ 10.631640][ T208] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.631642][ T208] ? vprintk_emit+0x320/0x3e0 [ 10.631645][ T208] vprintk_emit+0x37c/0x3e0 [ 10.631648][ T208] ? wake_up_klogd_work_func+0x90/0x90 [ 10.631651][ T208] ? __lock_acquire+0x518/0xc20 [ 10.631655][ T208] _printk+0xc7/0x100 [ 10.631659][ T208] ? snapshot_read.cold+0x21/0x21 [ 10.631662][ T208] ? do_raw_spin_lock+0x131/0x280 [ 10.631664][ T208] ? __rwlock_init+0x150/0x150 [ 10.631668][ T208] ? do_raw_spin_lock+0x131/0x280 [ 10.631671][ T208] do_exit.cold+0x82/0x9c [ 10.631675][ T208] ? exit_notify+0x890/0x890 [ 10.631676][ T208] ? __lock_release.isra.0+0x69/0x1a0 [ 10.631679][ T208] ? rcu_is_watching+0x16/0xd0 [ 10.631683][ T208] do_group_exit+0xb8/0x370 [ 10.631686][ T208] __x64_sys_exit_group+0x3c/0x50 [ 10.631688][ T208] x64_sys_call+0x1567/0x1570 [ 10.631690][ T208] do_syscall_64+0xff/0x530 [ 10.631694][ T208] ? exc_page_fault+0xee/0x100 [ 10.631697][ T208] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.631700][ T208] RIP: 0033:0x7f64223e31b8 [ 10.631702][ T208] Code: Unable to access opcode bytes at 0x7f64223e318e. [ 10.631703][ T208] RSP: 002b:00007ffc9fcd70c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.631706][ T208] RAX: ffffffffffffffda RBX: 00007f6422513f88 RCX: 00007f64223e31b8 [ 10.631707][ T208] RDX: 00007f642212dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.631708][ T208] RBP: 00007ffc9fcd7120 R08: 0000000000000000 R09: 0000000000000000 [ 10.631709][ T208] R10: 00007ffc9fcd6ee0 R11: 0000000000000246 R12: 0000000000000001 [ 10.631709][ T208] R13: 0000000000000000 R14: 00007f6422512680 R15: 00007f6422513fa0 [ 10.631716][ T208]